Answer:
2.129
Step-by-step explanation:
So, 3.157 - ______ = 1.028
Add the blank to the other side:
3.157 = 1.028 + ______
Now subtract the 1.028
3.157 - 1.028 = ______
3.157 - 1.028 = 2.129
Nice handwriting, if that's yours.
Add nine to both sides then divide by 3 and K=4
Answer:
z=6 and z=-6
Step-by-step explanation:

Divide both sides by 7

Find the square root
z=±√36
z=±6
Therefore, z=6 and z=-6.
I hope this helps!
Answer: i don’t understand the question... are you asking what eacg of them mean?
Step-by-step explanation: